JPS61139094U - - Google Patents
Info
- Publication number
- JPS61139094U JPS61139094U JP2222885U JP2222885U JPS61139094U JP S61139094 U JPS61139094 U JP S61139094U JP 2222885 U JP2222885 U JP 2222885U JP 2222885 U JP2222885 U JP 2222885U JP S61139094 U JPS61139094 U JP S61139094U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic circuit
- magnetic
- speaker
- top plate
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006249 magnetic particle Substances 0.000 claims description 3
- 239000011553 magnetic fluid Substances 0.000 description 2
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第1図は本考案に係るスピーカの磁気回路構造
の要部を示す縦断面図で、第2図は従来のスピー
カの磁気回路構造の要部を示す縦断面図を示す。
1…磁気回路、2…マグネツト、3…ポールヨ
ーク、4…トツププレート、6…防磁ギヤツプ、
7…ギヤツプ、8…磁性粒体。
FIG. 1 is a longitudinal sectional view showing the main part of the magnetic circuit structure of a speaker according to the present invention, and FIG. 2 is a longitudinal sectional view showing the main part of the magnetic circuit structure of a conventional speaker. 1...Magnetic circuit, 2...Magnet, 3...Pole yoke, 4...Top plate, 6...Magnetic shield gear,
7...Gap, 8...Magnetic particles.
補正 昭60.7.31
実用新案登録請求の範囲を次のように補正する
。Amendment July 31, 1980 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
外磁型の磁気回路を構成するトツププレートと
、該磁気回路に被嵌された防磁キヤツプとの間に
形成されたギヤツプに、磁性流体を充填したこと
を特徴とするスピーカの磁気回路構造。
図面の簡単な説明を次のように補正する。
明細書中、第7頁第7行目に「磁性粒体」とあ
るのを「磁性流体」と補正する。[Claims for Utility Model Registration] A gap formed between a top plate constituting an external magnetic type magnetic circuit and a magnetically shielding cap fitted over the magnetic circuit is filled with magnetic fluid . The magnetic circuit structure of the speaker. The brief description of the drawing has been amended as follows. In the specification, the phrase "magnetic particles" on page 7, line 7 is corrected to "magnetic fluid."
Claims (1)
、該磁気回路に被嵌された防磁キヤツプとの間に
形成されたギヤツプに、磁性粒体を充填したこと
を特徴とするスピーカの磁気回路構造。 A magnetic circuit structure for a speaker, characterized in that a gap formed between a top plate constituting an external magnetic type magnetic circuit and a magnetically shielding cap fitted over the magnetic circuit is filled with magnetic particles.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2222885U JPS61139094U (en) | 1985-02-19 | 1985-02-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2222885U JPS61139094U (en) | 1985-02-19 | 1985-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61139094U true JPS61139094U (en) | 1986-08-28 |
Family
ID=30514336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2222885U Pending JPS61139094U (en) | 1985-02-19 | 1985-02-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61139094U (en) |
-
1985
- 1985-02-19 JP JP2222885U patent/JPS61139094U/ja active Pending
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